Interface Control and Specifications Documentation for the NWS Supplemental Product Generator National Oceanic and Atmospheric Administration National Weather Service Office of Science &Technology Systems Engineering Center August 3, 2005 Link To Document: TDWR_SPG_ICD_v43-11       Link To NEXRAD and TDWR … Continue reading Terminal Doppler Weather Radar (TDWR ) & NEXRAD for the National Weather Service (NWS)